Sper Scientific 300037 Refractometer - Programmable - Manual (Page 6)

6
played.
 Press the READ button and the last digit flashes.
 Use the  and the  buttons to set the high
range limit.
 Press the READ button to activate the function.
 Press the FUNC button as needed to return to
the measurement screen.
Deactivating High Range Alert
 Press the FUNC button as needed until HL n
appears.
 Press the READ button and the last digit flashes.
 Press the FUNC button as needed to return to
the measurement screen.
Setting Low Range Alert
 With the unit on, press the FUNC button as need-
ed until LL Y and the flashing L-Limit icon appear.
 Press the READ button and the last digit flashes.
 Use the  and  buttons to set the low range
limit.
 Press the READ button activate the function.
 Press the FUNC button as needed to return to
the measurement screen.
Deactivating Low Range Alert
 Press the FUNC button as needed until LL n
appears.
 Press the READ button and the last digit flashes.
 Press the FUNC button as needed to return to
the measurement screen.
6. ERRATIC READINGS
A. If the readings are significantly above or below the
expected results, consider the following:
B. Sample contains more than one dissolved solid.
For example: if the sample contains both salt and sugar, a Brix
Refractometer will not display the true sugar content because the
salt content will skew the Brix measurement.